(19)

(11)

EP 1 774 164 A1

(12)

(43) Date of publication: 18.04.2007 Bulletin 2007/16 (21) Application number: 05748385.1 (22) Date of filing: 09.06.2005

(51) International Patent Classification (IPC):  F02M 29/10(2006.01) (86) International application number: PCT/GB2005/002255 (87) International publication number: WO 2005/121541 (22.12.2005 Gazette 2005/51)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 14.06.2004 GB 0413184 27.04.2005 GB 0508559 (71) Applicant: Facer, Richard James Newport NP20 3HY (GB)	(72) Inventor: Facer, Richard James Newport NP20 3HY (GB) (74) Representative: Stephen, Robert John  Olswang 90 High Holborn London WC1V 6XX London WC1V 6XX (GB)